What are the two screens that appear on the phone?
After the data is backed up, do the brush operation to clear the data and update to the latest firmware.
Clean the screen, to avoid the impact of dirt; if the film recommended to remove the film.
The first one is to ask you not to use non-original charger to charge.
If you find the phone screen using the exception, you can draw in the drawing board inside to paint to test whether there is no touch area, to confirm whether there is a failure phenomenon.
